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authorBai Ping <b51503@freescale.com>2015-06-05 23:25:17 +0800
committerBai Ping <b51503@freescale.com>2015-06-05 23:55:15 +0800
commit5d9c39bf319fb8788d1764b7dd4898b321b87001 (patch)
tree23bd5505775fb44f3cb3df2e638447cb5ad137cc
parent35e9c3f618f92349cdcb1f85d94014d695da6f88 (diff)
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MLK-11050 ARM: imx6: configure the PMIC_STBY_REQ pin as open drain
Configure the PMIC_STBY_REQ pin as open drain 100K according to the design team's requirement for the PMIC_STBY_REQ pin. Signed-off-by: Bai Ping <b51503@freescale.com>
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 9b0f126..3f4b094 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -469,6 +469,15 @@ int arch_cpu_init(void)
set_ahb_rate(132000000);
#endif
+#if defined(CONFIG_MX6UL)
+ /*
+ * According to the design team's requirement on i.MX6UL,
+ * the PMIC_STBY_REQ PAD should be configured as open
+ * drain 100K (0x0000b8a0).
+ */
+ writel(0x0000b8a0, IOMUXC_BASE_ADDR + 0x29c);
+#endif
+
/* Set perclk to source from OSC 24MHz */
#if defined(CONFIG_MX6SL)
set_preclk_from_osc();